Pseudo-hyperbolic distance and n-best rational approximation in H^2 space
published by Tao Qian
in 2020
and research's language is
English
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Abstract in English
Through reducing the problem to rational orthogonal system (Takenaka-Malmquist system), this note gives a proof for existence of n-best rational approximation to functions in the Hardy H2(D) space by using pseudohyperbolic distance.